Djam/arm-trusted-firmware
1
0
Fork 0
mirror of https://github.com/ARM-software/arm-trusted-firmware.git synced 2025-04-12 23:54:17 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

feat(morello): add support for I2S audio

Browse source 
Add support for Morello I2S audio subsystem. This includes adding the
audio formatter and I2S transmitter nodes and gluing them together with
the hdmi codec using a simple sound card machine node.

Change-Id: I3de4b06ef965c8e0555d074118b944fe6b4b78bb
Signed-off-by: Anurag Koul <anurag.koul@arm.com>
Signed-off-by: Faiz Abbas <faiz.abbas@arm.com>
This commit is contained in:
Faiz Abbas 2022-02-10 17:01:39 +00:00
parent 43a6544f01
commit 6bcbe43790
2 changed files with 57 additions and 2 deletions

50
fdts/morello-soc.dts
View file

@ -194,10 +194,12 @@
interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&dpu_aclk>;
hdmi-transmitter@70 {
hdmi_tx: hdmi-transmitter@70 {
compatible = "nxp,tda998x";
reg = <0x70>;
video-ports = <0x234501>;
#sound-dai-cells = <0>;
audio-ports = <2 0x03>;
port {
tda998x_0_input: endpoint {
remote-endpoint = <&dp_pl0_out0>;
@ -255,6 +257,52 @@
};
};
};
iofpga_i2s: xlnx-i2s@1c150000 {
#sound-dai-cells = <0>;
compatible = "xlnx,i2s-transmitter-1.0";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0 0x1c150000 0x0 0x10000>;
xlnx,dwidth = <0x18>;
xlnx,num-channels = <1>;
};
audio_formatter: audio-formatter@1c100000 {
compatible = "xlnx,audio-formatter-1.0";
reg = <0x0 0x1c000000 0x0 0x10000>;
#sound-dai-cells = <0>;
interrupt-names = "irq_mm2s";
interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
clock-names = "s_axi_lite_aclk", "aud_mclk", "m_axis_mm2s_aclk";
clocks = <&soc_refclk85mhz>, <&i2s_audclk>, <&soc_refclk85mhz>;
};
sound {
compatible = "simple-audio-card";
simple-audio-card,format = "i2s";
simple-audio-card,bitclock-master = <&audio_master>;
simple-audio-card,frame-master = <&audio_master>;
audio_master: simple-audio-card,cpu {
sound-dai = <&iofpga_i2s>;
clocks = <&i2s_audclk>;
};
simple-audio-card,codec {
sound-dai = <&hdmi_tx>;
};
simple-audio-card,plat {
sound-dai = <&audio_formatter>;
};
};
i2s_audclk: i2s_audclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <12288000>;
clock-output-names = "iofpga:i2s_audclk";
};
};
&gic {

9
fdts/morello.dtsi
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2020-2022, Arm Limited. All rights reserved.
* Copyright (c) 2020-2023, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -88,6 +88,13 @@
clock-output-names = "apb_pclk";
};
soc_refclk85mhz: refclk85mhz {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <85000000>;
clock-output-names = "iofpga:aclk";
};
soc_uartclk: uartclk {
compatible = "fixed-clock";
#clock-cells = <0>;